Is it illegal to send text messages in groups? How to identify them?

Sending text messages in groups is not illegal, but the content is limited. If communication in daily life is legal. It is illegal to use mass texting, propagate superstition, provoke ethnic hatred, spread pornography and other things that violate laws and regulations. The short message mass sending platform is an Internet-based short message sending system, which can realize customized short message sending, mass sending, reminding and other functions. The short message group sending platform is actually a short message group software loaded on a computer, which generally has the functions of sending, sending and grouping short messages, and some have certain crm management functions. It is also the main carrier of business short messages at present.